Hi mama! Honestly, yan ang confusing part ng ultrasound dating, ang second trimester ultrasound is usually more accurate than LMP, so yung Jan 8 EDD from your second scan is probably mas reliable, pero ang mga doctors namin dito usually go with a range instead of one exact date kaya kahit mag-deliver ka between Jan 8 to 24, considered on-time pa rin yan. Best advice is to clarify directly with your OB kung which EDD sila gagamitin para sa overdue classification, kasi iba-iba ang approach ng bawat doctor, and mas peace of mind ka na knowing exactly kung saan sila nag-base, especially as you get closer to your due date!
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